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On integers, (a*b=a+b+1) is defined. Choose the correct statement about this operation.

Answer and explanation

Correct answer: Both commutative and associative

Step 1: (a*b=a+b+1=b+a+1=b*a), so the operation is commutative. Step 2: ((a*b)*c=a+b+c+2) and (a*(b*c)=a+b+c+2), so it is associative. Step 3: Check commutativity and associativity separately.

Related tags

Binary OperationsCommutativeAssociativeRelations And FunctionsMathematicsClass 12 Mcq

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